Exam 10: Integrating Voice, Video, and Data

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On a legacy LAN, a significant amount of bandwidth can be gained by replacing old thinnet coax and repeater runs with Category 5 twisted-pair cable and 100BaseTX switches.

(True/False)
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Digital television can be sent over longer distances than analog while producing a sharper picture.

(True/False)
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  The figure above illustrates ____. The figure above illustrates ____.

(Multiple Choice)
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Transmitted audio files are always very large.

(True/False)
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Microsoft's IP/TV enables interactive conferencing for people at remote locations.

(True/False)
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For a network, a scan line is a performance assessment of that network under varying loads or circumstances.

(True/False)
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For many LANs that deploy multimedia applications, one of the most cost-effective design methods and reliable topologies is to combine Fast Ethernet and Gigabit Ethernet .

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Synchronization is most reliable when there is enough throughput for an application so that bits or frames are not lost or delayed too long by network congestion.

(True/False)
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The NTSC standard for color TV transmissions is a transmission rate of ____ frames per second.

(Multiple Choice)
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In the US, the main line power operates at a frequency of ____ Hz.

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When selecting LAN switches for a network, choose switches that have ____________________ or multicast packets can flood a network in the same way as broadcast packets.

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One way to improve WAN performance is to use bandwidth on demand, which is a feature of a WAN router that enables the router to send a response to the server to maintain the connection, thus reducing traffic from all connected clients.

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What are three things you should do when you select a WAN service from a provider?

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When using VoIP, the call processor does not ____.

(Multiple Choice)
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  The figure above illustrates ____. The figure above illustrates ____.

(Multiple Choice)
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Audio file technologies are far more varied than video technologies.

(True/False)
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Which is not true about AVI?

(Multiple Choice)
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MPEG-2 has ____ levels of resolution.

(Multiple Choice)
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When integrated voice, video, and data files are sent across the network, they may need to be ____ by software at the client receiver, to make sure all of the constituent pieces are assembled and played in the right order.

(Multiple Choice)
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Multicasting on networks that use switches and no routers is entirely dependent on IGMP .

(True/False)
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